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Regarding eternal happiness, I wonder whether it has existed on the earth.
至于永恒的幸福，我怀疑世上是否真正有过。
youdao
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Role model is not a new idea, it has existed for a long time.
角色模型并不是一个新概念，它已经存在很长时间了。
youdao
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It has existed for just a few years.
它只存在了几年。
youdao
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It has existed for just a few years.
它只存在了几年。
youdao